Backtrace

WARNING: CPU: 7 PID: 6359 at lib/refcount.c:28 refcount_warn_saturate+0xbe/0x110
Modules linked in: snapshot(OE-) uinput snd_seq_dummy snd_hrtimer rfkill nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables qrtr intel_rapl_msr intel_rapl_common snd_hda_codec_generic snd_hda_intel pktcdvd snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec kvm_amd snd_hda_core iTCO_wdt snd_hwdep intel_pmc_bxt iTCO_vendor_support kvm snd_seq snd_seq_device snd_pcm irqbypass i2c_i801 pcspkr i2c_smbus virtio_balloon snd_timer snd joydev lpc_ich soundcore loop vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock zram vmw_vmci lz4hc_compress lz4_compress polyval_clmulni ghash_clmulni_intel sha512_ssse3 virtio_net sha1_ssse3 virtio_gpu net_failover failover virtio_dma_buf serio_raw iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi i2c_dev fuse nfnetlink qemu_fw_cfg
CPU: 7 UID: 0 PID: 6359 Comm: rmmod Tainted: G           OE       6.16.4-200.fc42.x86_64 #1 PREEMPT(lazy) 
Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.17.0-5.fc42 04/01/2014
RIP: 0010:refcount_warn_saturate+0xbe/0x110
Code: 01 01 e8 35 c0 79 ff 0f 0b c3 cc cc cc cc 80 3d 17 51 fe 01 00 75 85 48 c7 c7 d0 6d 0a a8 c6 05 07 51 fe 01 01 e8 12 c0 79 ff <0f> 0b c3 cc cc cc cc 80 3d f5 50 fe 01 00 0f 85 5e ff ff ff 48 c7
RSP: 0018:ffffd14c45a43b18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffffc0b19f40 RCX: 0000000000000027
RDX: ffff8cda2fb9cf88 RSI: 0000000000000001 RDI: ffff8cda2fb9cf80
RBP: 000055855888f7b8 R08: 0000000000000000 R09: ffffd14c45a439c0
R10: ffffffffa8b39768 R11: 00000000ffffdfff R12: ffff8cd6d4c2b080
R13: 00000000000000b0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fb080e33b80(0000) GS:ffff8cda861df000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005576a10e9950 CR3: 0000000114d63000 CR4: 0000000000750ef0
PKRU: 55555554
Call Trace:
 <TASK>
 chrdev_cleanup+0x3e/0x90 [snapshot]
 bsnapshot_exit+0xe/0x110 [snapshot]
 __do_sys_delete_module.isra.0+0x1b2/0x2e0
 do_syscall_64+0x82/0x2c0
 ? xas_load+0x11/0x100
 ? xas_find+0x83/0x1b0
 ? ksys_read+0x73/0xf0
 ? next_uptodate_folio+0xa0/0x350
 ? _raw_spin_unlock+0xe/0x30
 ? filemap_map_pages+0x35a/0x590
 ? do_read_fault+0x107/0x260
 ? handle_pte_fault+0x118/0x240
 ? do_fault+0x150/0x210
 ? __handle_mm_fault+0x3a7/0x700
 ? count_memcg_events+0x15d/0x230
 ? handle_mm_fault+0x248/0x360
 ? do_user_addr_fault+0x21a/0x690
 ? exc_page_fault+0x74/0x180
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fb08070406b
Code: 73 01 c3 48 8b 0d 95 1d 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 65 1d 0f 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc9d6af838 EFLAGS: 00000202 ORIG_RAX: 00000000000000b0
RAX: ffffffffffffffda RBX: 000055855888f750 RCX: 00007fb08070406b
RDX: 0000000000000003 RSI: 0000000000000800 RDI: 000055855888f7b8
RBP: 00007ffc9d6af860 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 00007ffc9d6b0646 R14: 00007ffc9d6afab0 R15: 0000000000000000
 </TASK>